Buggy code:
class InstallPanel extends JPanel { InstallPanel ( PluginManager window , boolean updates ) { } public void updateModel ( ) { } private JTable table ; private InstallPanel . PluginTableModel pluginModel ; private PluginManager window ; private boolean updates ; private String formatSize ( int size ) { } class PluginTableModel extends AbstractTableModel { private ArrayList entries = new ArrayList ( ) ; private int sortType = InstallPanel . EntryCompare . CATEGORY ; public Class getColumnClass ( int columnIndex ) { } public int getColumnCount ( ) { } public String getColumnName ( int column ) { switch ( column ) { case 0 : <START_BUG> return "<seq2seq4repair_space>" + ( jEdit . getProperty ( "install-plugins.info.install" ) ) ; <END_BUG> case 1 : return "<seq2seq4repair_space>" + ( jEdit . getProperty ( "install-plugins.info.name" ) ) ; case 2 : return "<seq2seq4repair_space>" + ( jEdit . getProperty ( "install-plugins.info.category" ) ) ; case 3 : return "<seq2seq4repair_space>" + ( jEdit . getProperty ( "install-plugins.info.version" ) ) ; case 4 : return "<seq2seq4repair_space>" + ( jEdit . getProperty ( "install-plugins.info.size" ) ) ; default : throw new Error ( "Column<seq2seq4repair_space>out<seq2seq4repair_space>of<seq2seq4repair_space>range" ) ; } } public InstallPanel . Entry getEntry ( int rowIndex ) { } public int getRowCount ( ) { } public Object getValueAt ( int rowIndex , int columnIndex ) { } public boolean isCellEditable ( int rowIndex , int columnIndex ) { } public void setSelectAll ( boolean b ) { } public void setSortType ( int type ) { } public void setValueAt ( Object aValue , int row , int column ) { } public void sort ( int type ) { } public void update ( ) { } } class Entry { String name ; String version ; String author ; String date ; String description ; String set ; int size ; boolean install ; Plugin plugin ; LinkedList parents = new LinkedList ( ) ; Entry ( PluginList . Plugin plugin , String set ) { } String getParentString ( ) { } } class PluginInfoBox extends JTextArea implements ListSelectionListener { public PluginInfoBox ( ) { } public void valueChanged ( ListSelectionEvent e ) { } } class SizeLabel extends JLabel implements TableModelListener { private int size ; public SizeLabel ( ) { } public void tableChanged ( TableModelEvent e ) { } } class SelectallButton extends JCheckBox implements ActionListener , TableModelListener { public SelectallButton ( ) { } public void actionPerformed ( ActionEvent evt ) { } public void tableChanged ( TableModelEvent e ) { } } class InstallButton extends JButton implements ActionListener , TableModelListener { public InstallButton ( ) { } public void actionPerformed ( ActionEvent evt ) { } public void tableChanged ( TableModelEvent e ) { } } static class EntryCompare implements Comparator { public static final int NAME = 0 ; public static final int CATEGORY = 1 ; private int type ; public EntryCompare ( int type ) { } public int compare ( Object o1 , Object o2 ) { } } class HeaderMouseHandler extends MouseAdapter { public void mouseClicked ( MouseEvent evt ) { } } class TextRenderer extends DefaultTableCellRenderer { private DefaultTableCellRenderer tcr ; public TextRenderer ( DefaultTableCellRenderer tcr ) { } public Component getTableCellRendererComponent ( JTable table , Object value , boolean isSelected , boolean hasFocus , int row , int column ) { } } }

Fix:
return "<seq2seq4repair_space>" ;